public void CommandCheck()
{
Input = Input.ToLower();
if (Input.StartsWith("ls"))
{
LS.Options(Input);
}
else if (Input.StartsWith("cat"))
{
CAT.Options(Input);
}
else if (Input.StartsWith("os"))
{
OS.Options(Input);
}
else if (Input.StartsWith("help"))
{
new HELP();
}
else if (Input.StartsWith("system"))
{
SYSTEM.Options(Input);
}
else if (Input.StartsWith("process"))
{
PROCESSES.Options(Input);
}
else if (Input.StartsWith("open"))
{
OPEN.Options(Input);
}
else if (Input == "exit")
{
Environment.Exit(0);
}
else
{
Console.WriteLine("Non-existent command");
}
}